Question about 2002 KTM EXC 200

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Excesive oil coming out exhuast

Hi there i have a 2002 200 exc the problem is oil coming out exhuast i thought the rings on the piston where letting oil through but if i take the exhuast off there is no trace of oil coming from the piston chamber but as soon as i fit the exhuast back on low and behold the oil starts coming out hhhhheeelllppp

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This is normal for a 2 stroke and not a problem at all. It's just a build up of 2 stroke oil that acumulates i the the packing in the muffler.
Nothing to worry about, and no solution to fix it really. You can re pack your muffler with clean packing, and try running a little less 2 stroke oil in your mix. I would recomend using a synthetic 2 stroke oil, with a mixture of 50:1 this would prevent some of the mess from happening.

Posted on Jul 11, 2010


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Posted on Jan 02, 2017


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2010 KTM EXC 450 The owner ran it out of oil its repaired and running. Starts fine cold but once hot is hard to get started He suggested replacing the liner, piston and rings. Any other thoughts

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If it has valves , (4 stroke) , check the valve clearance and adjust to specifications as valve stems get longer when hot and if the clearance is not sufficient when cold then a valve will be held slightly open when hot
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Blue smoke coming out of the exhaust indicates that oil is getting into the piston cylinder and being burned along with the gas. This could be a leaking head gasket, worn piston rings, or the wrong weight engine oil (viscosity too low). A leak down test will be needed to diagnose.
Have you checked your engine oil level?

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there are two ways plugs foul up is too much fuel or oil is getting in to the cylinders,does the bike blow excesive amont of smoke on start up and when you are riding,and is it one spark plug or all if it is a single plug and comes out black with oil then it could be a vave seal or it could be a damaged oil ring on your piston ,if it is doing it on all cylinders then more than likely the piston and rings need replacing and the bores to be honed or rebored to the next size piston and rings,hope tis helps cheers pete

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Hi my yamaha jog -r is smoking really bad any ideas why

Hi, Mad_racer and the usual suspects are:
1. Oil tank/pan overfilled.
2. Restricted oil return line to oil tank/pan.
3. Restricted breather operation.
4. Restricted oil filter.
5. Piston rings badly worn or broken.
6. Valve guides and or seals worn, crushed, missing, or have come off and are literally pumping oil through the valve guide.
7. O-ring damaged or missing from oil pump at crankcase junction (also results in poor engine performance).
8. Auto-Lube not properly adjusted.
For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
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Clk 200 comp.193hp,excesive oil consumption

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What is causing white smoke that smells like strong fumes coming out of the exhaust pipes, when engine is idling and it reduces while the engine is running.

indicates an engine oil comsumption, for excesive piston rings wear or valve seals, maybe your engine neeed to repair

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My ktm 450 exc 2005 burns oil and makes blue smoke and I have got oil in airbox but i dont know why it is burning oil. What could it be. Please help

this is usually because of a few things,,,check,,,, and maybe change your plug,,,check gap,,,,adjust your carb,... it sounds like it is way to rich,,,,,lean it out a little,,,,,,and the worse problem,,,,,your rings on the piston may be getting worn,,,,and allowing oil to seep by,,,thus,,going into your airbox,,,,,,and combustion chamber,,,,, then blue smoke,,,,, take a compression check if all else fails,,,,,,, this will tell you if your rings are bad,,,,,, JOEL

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On a 2 stroke bike cause of smoke is due to excess oil in the fuel oil mixture, incomplete combustion in the cylinder or the engine oil finding it way in through the piston rings into the firing chamber. Check the oil levels and clean the plugs, which must be black in color by now, so replace if possible and if engine oil is low, the change the piston rings. Also look up the carburetor jets/nozzles are clean and the engine gets the correct fuel/air mixture by adjusting both fuel and air jets(turns)...sodeep

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If oil is coming out of your exhaust manifold you probably have bad piston rings. you can buy a compression tester at auto parts to verify the problem.

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